Home / 974,994,936.36-1,345,495,567.28-528,958,276.56

Finding the Fourth Proportional to 974,994,936.36, 1,345,495,567.28 and 528,958,276.56

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Solution

The fourth proportional to 974,994,936.36, 1,345,495,567.28 and 528,958,276.56 is: 729,963,807.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,994,936.36 : 1,345,495,567.28 = 528,958,276.56 : x
  2. Step 2: Convert to fraction form
    974,994,936.36/1,345,495,567.28 = 528,958,276.56/x
  3. Step 3: Cross multiply
    974,994,936.36x = 1,345,495,567.28 × 528,958,276.56
  4. Step 4: Simplify right side
    974,994,936.36x = 711,711,016,387,548,288
  5. Step 5: Solve for x
    x = 711,711,016,387,548,288/974,994,936.36
  6. Step 6: Final answer
    x = 729,963,807.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.